An exhilarating feeling - ep. 4

One afternoon, while she was scanning the bookshelves for a catalogue...

She had the distinct impression that someone was watching her. She forced herself not to turn around and pretended that nothing was going on, but even the most ordinary of actions suddenly seemed difficult and unfamiliar.

As soon as she found what she was looking for, she hurried away, her heart racing with every step. As if she were freefalling.